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Content Provenance

Verifiable information about where a piece of content came from and how it was made or changed, attached to the content itself. It is the technical basis for labelling AI-generated material, through standards such as C2PA Content Credentials and through watermarking.

  • C2PA
  • Content Credentials
  • watermarking
  • Article 50
  • AI labelling

How it works

Two approaches complement each other. Provenance metadata, such as C2PA Content Credentials, attaches a cryptographically signed record of origin and edits to a file; the C2PA specification reached version 2.3 in January 2026 and is being fast-tracked as an ISO standard. Watermarking embeds a signal in the content itself, which can survive when metadata is stripped. Neither is foolproof: metadata can be removed and watermarks degraded.

The legal pull

The EU AI Act requires providers of generative systems to mark their output in a machine-readable way so it can be detected as AI-generated (Article 50(2)), and requires deployers to disclose deepfakes. The Commission's code of practice on marking and labelling, published in June 2026, sets out how. China's labelling measures, in force since September 2025, require both visible labels and embedded metadata.

Where it sits in the register

The register entry for failing to disclose AI-generated content is undisclosed AI interaction; the control is AI transparency and disclosure labelling.

Sources

Related Terms

Related risks and controls

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